Before there were robots, self-driving cars and AI, there were automated mechanical music machines: self-playing pianos, ...

Google Play is the largest app store by number of apps and downloads, accounting for about half of all app downloads in the world. Launched in 2008 as the Android Market, it followed in the footsteps ...

Body Dimensions 171.8 x 78 x 8.9 mm (6.76 x 3.07 x 0.35 in) ...

Body Dimensions 166.6 x 76 x 9.4 mm (6.56 x 2.99 x 0.37 in) ...

That Play Store change is already underway and will be fully deployed within weeks. A many as 750 million Android phones still run obsolete versions of the OS—which means no security updates.

Learn to manufacture your own solenoids and then use them to play the xylophone by watching the tutorial video after the break. [Humberto Evans] and the team at Nerd Kits do a great job of not ...